/Engine/Plugins/Online/OnlineServicesOSSAdapter/Source/Public/Online/LeaderboardsOSSAdapter.h
[TOptional](API\Runtime\Core\IO\TOptional)< [FOnlineError](API\Plugins\OnlineServicesInterface\Online\FOnlineError) > PrepareLeaderboardReadObject ( const [FString](API\Runtime\Core\Containers\FString) & BoardName )